tcg/sparc64: Use 'z' constraint

Replace target-specific 'Z' with generic 'z'.

Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

tcg/sparc64/tcg-target-con-set.h

@@ -10,11 +10,11 @@
  * tcg-target-con-str.h; the constraint combination is inclusive or.
  */
 C_O0_I1(r)
-C_O0_I2(rZ, r)
-C_O0_I2(rZ, rJ)
+C_O0_I2(rz, r)
+C_O0_I2(rz, rJ)
 C_O1_I1(r, r)
 C_O1_I2(r, r, r)
-C_O1_I2(r, rZ, rJ)
-C_O1_I4(r, rZ, rJ, rI, 0)
-C_O2_I2(r, r, rZ, rJ)
-C_O2_I4(r, r, rZ, rZ, rJ, rJ)
+C_O1_I2(r, rz, rJ)
+C_O1_I4(r, rz, rJ, rI, 0)
+C_O2_I2(r, r, rz, rJ)
+C_O2_I4(r, r, rz, rz, rJ, rJ)

tcg/sparc64/tcg-target-con-str.h

@@ -16,4 +16,3 @@ REGS('r', ALL_GENERAL_REGS)
  */
 CONST('I', TCG_CT_CONST_S11)
 CONST('J', TCG_CT_CONST_S13)
-CONST('Z', TCG_CT_CONST_ZERO)

tcg/sparc64/tcg-target.c.inc

@@ -76,7 +76,6 @@ static const char * const tcg_target_reg_names[TCG_TARGET_NB_REGS] = {
 
 #define TCG_CT_CONST_S11  0x100
 #define TCG_CT_CONST_S13  0x200
-#define TCG_CT_CONST_ZERO 0x400
 
 #define ALL_GENERAL_REGS  MAKE_64BIT_MASK(0, 32)
 
@@ -340,9 +339,7 @@ static bool tcg_target_const_match(int64_t val, int ct,
         val = (int32_t)val;
     }
 
-    if ((ct & TCG_CT_CONST_ZERO) && val == 0) {
-        return 1;
-    } else if ((ct & TCG_CT_CONST_S11) && check_fit_tl(val, 11)) {
+    if ((ct & TCG_CT_CONST_S11) && check_fit_tl(val, 11)) {
         return 1;
     } else if ((ct & TCG_CT_CONST_S13) && check_fit_tl(val, 13)) {
         return 1;
@@ -1579,7 +1576,7 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_st_i64:
     case INDEX_op_qemu_st_i32:
     case INDEX_op_qemu_st_i64:
-        return C_O0_I2(rZ, r);
+        return C_O0_I2(rz, r);
 
     case INDEX_op_add_i32:
     case INDEX_op_add_i64:
@@ -1611,22 +1608,22 @@ tcg_target_op_def(TCGOpcode op, TCGType type, unsigned flags)
     case INDEX_op_setcond_i64:
     case INDEX_op_negsetcond_i32:
     case INDEX_op_negsetcond_i64:
-        return C_O1_I2(r, rZ, rJ);
+        return C_O1_I2(r, rz, rJ);
 
     case INDEX_op_brcond_i32:
     case INDEX_op_brcond_i64:
-        return C_O0_I2(rZ, rJ);
+        return C_O0_I2(rz, rJ);
     case INDEX_op_movcond_i32:
     case INDEX_op_movcond_i64:
-        return C_O1_I4(r, rZ, rJ, rI, 0);
+        return C_O1_I4(r, rz, rJ, rI, 0);
     case INDEX_op_add2_i32:
     case INDEX_op_add2_i64:
     case INDEX_op_sub2_i32:
     case INDEX_op_sub2_i64:
-        return C_O2_I4(r, r, rZ, rZ, rJ, rJ);
+        return C_O2_I4(r, r, rz, rz, rJ, rJ);
     case INDEX_op_mulu2_i32:
     case INDEX_op_muls2_i32:
-        return C_O2_I2(r, r, rZ, rJ);
+        return C_O2_I2(r, r, rz, rJ);
     case INDEX_op_muluh_i64:
         return C_O1_I2(r, r, r);